tm-sp64.h

gdb that s ported for PXA270 processor. definitely helpful for people interested in embedded system

   possible.  It's nice to be able to set them individually.  */
/* FIXME: Whether to include f33, f35, etc. here is not clear.
   There are advantages and disadvantages.  */

#undef  REGISTER_NAMES
#define REGISTER_NAMES  \
{ "g0", "g1", "g2", "g3", "g4", "g5", "g6", "g7",	\
  "o0", "o1", "o2", "o3", "o4", "o5", "sp", "o7",	\
  "l0", "l1", "l2", "l3", "l4", "l5", "l6", "l7",	\
  "i0", "i1", "i2", "i3", "i4", "i5", "fp", "i7",	\
								\
  "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7",		\
  "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15",		\
  "f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23",	\
  "f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31",	\
  "f32", "f34", "f36", "f38", "f40", "f42", "f44", "f46",	\
  "f48", "f50", "f52", "f54", "f56", "f58", "f60", "f62",	\
                                                                \
  "pc", "npc", "ccr", "fsr", "fprs", "y", "asi",		\
  "ver", "tick", "pil", "pstate",				\
  "tstate", "tba", "tl", "tt", "tpc", "tnpc", "wstate",		\
  "cwp", "cansave", "canrestore", "cleanwin", "otherwin",	\
  "asr16", "asr17", "asr18", "asr19", "asr20", "asr21",		\
  "asr22", "asr23", "asr24", "asr25", "asr26", "asr27",		\
  "asr28", "asr29", "asr30", "asr31",				\
  /* These are here at the end to simplify removing them if we have to.  */ \
  "icc", "xcc", "fcc0", "fcc1", "fcc2", "fcc3"			\
}

#undef REG_STRUCT_HAS_ADDR
#define REG_STRUCT_HAS_ADDR(gcc_p,type) (TYPE_LENGTH (type) > 32)

extern CORE_ADDR sparc64_read_sp ();
extern CORE_ADDR sparc64_read_fp ();
extern void sparc64_write_sp (CORE_ADDR);

#define TARGET_READ_SP() (sparc64_read_sp ())
#define DEPRECATED_TARGET_READ_FP() (sparc64_read_fp ())
#define DEPRECATED_DUMMY_WRITE_SP(X) (sparc64_write_sp (X))

#undef DEPRECATED_EXTRACT_RETURN_VALUE
#define DEPRECATED_EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \
     sp64_extract_return_value(TYPE, REGBUF, VALBUF, 0)
extern void sp64_extract_return_value (struct type *, char[], char *, int);

/* Register numbers of various important registers.
   Note that some of these values are "real" register numbers,
   and correspond to the general registers of the machine,
   and some are "phony" register numbers which are too large
   to be actual register numbers as far as the user is concerned
   but do serve to get the desired values when passed to read_register.  */

#if 0				/* defined in tm-sparc.h, replicated
				   for doc purposes */
#define	G0_REGNUM 0		/* %g0 */
#define	G1_REGNUM 1		/* %g1 */
#define O0_REGNUM 8		/* %o0 */
#define	SP_REGNUM 14		/* Contains address of top of stack, \
				   which is also the bottom of the frame.  */
#define	RP_REGNUM 15		/* Contains return address value, *before* \
				   any windows get switched.  */
#define	O7_REGNUM 15		/* Last local reg not saved on stack frame */
#define	L0_REGNUM 16		/* First local reg that's saved on stack frame
				   rather than in machine registers */
#define	I0_REGNUM 24		/* %i0 */
#define	DEPRECATED_FP_REGNUM 30		/* Contains address of executing stack frame */
#define	I7_REGNUM 31		/* Last local reg saved on stack frame */
#define	FP0_REGNUM 32		/* Floating point register 0 */
#endif

/*#define FP_MAX_REGNUM 80*/	/* 1 + last fp reg number */

/* #undef v8 misc. regs */

#undef Y_REGNUM
#undef PS_REGNUM
#undef WIM_REGNUM
#undef TBR_REGNUM
#undef PC_REGNUM
#undef NPC_REGNUM
#undef FPS_REGNUM
#undef CPS_REGNUM

/* v9 misc. and priv. regs */

#define C0_REGNUM 80			/* Start of control registers */

#define PC_REGNUM (C0_REGNUM + 0)	/* Current PC */
#define NPC_REGNUM (C0_REGNUM + 1)	/* Next PC */
#define CCR_REGNUM (C0_REGNUM + 2)	/* Condition Code Register (%xcc,%icc) */
#define FSR_REGNUM (C0_REGNUM + 3)	/* Floating Point State */
#define FPRS_REGNUM (C0_REGNUM + 4)	/* Floating Point Registers State */
#define	Y_REGNUM (C0_REGNUM + 5)	/* Temp register for multiplication, etc.  */
#define ASI_REGNUM (C0_REGNUM + 6)	/* Alternate Space Identifier */
#define VER_REGNUM (C0_REGNUM + 7)	/* Version register */
#define TICK_REGNUM (C0_REGNUM + 8)	/* Tick register */
#define PIL_REGNUM (C0_REGNUM + 9)	/* Processor Interrupt Level */
#define PSTATE_REGNUM (C0_REGNUM + 10)	/* Processor State */
#define TSTATE_REGNUM (C0_REGNUM + 11)	/* Trap State */
#define TBA_REGNUM (C0_REGNUM + 12)	/* Trap Base Address */
#define TL_REGNUM (C0_REGNUM + 13)	/* Trap Level */
#define TT_REGNUM (C0_REGNUM + 14)	/* Trap Type */
#define TPC_REGNUM (C0_REGNUM + 15)	/* Trap pc */
#define TNPC_REGNUM (C0_REGNUM + 16)	/* Trap npc */
#define WSTATE_REGNUM (C0_REGNUM + 17)	/* Window State */
#define CWP_REGNUM (C0_REGNUM + 18)	/* Current Window Pointer */
#define CANSAVE_REGNUM (C0_REGNUM + 19)		/* Savable Windows */
#define CANRESTORE_REGNUM (C0_REGNUM + 20)	/* Restorable Windows */
#define CLEANWIN_REGNUM (C0_REGNUM + 21)	/* Clean Windows */
#define OTHERWIN_REGNUM (C0_REGNUM + 22)	/* Other Windows */
#define ASR_REGNUM(n) (C0_REGNUM+(23-16)+(n))	/* Ancillary State Register
						   (n = 16...31) */
#define ICC_REGNUM (C0_REGNUM + 39)	/* 32 bit condition codes */
#define XCC_REGNUM (C0_REGNUM + 40)	/* 64 bit condition codes */
#define FCC0_REGNUM (C0_REGNUM + 41)	/* fp cc reg 0 */
#define FCC1_REGNUM (C0_REGNUM + 42)	/* fp cc reg 1 */
#define FCC2_REGNUM (C0_REGNUM + 43)	/* fp cc reg 2 */
#define FCC3_REGNUM (C0_REGNUM + 44)	/* fp cc reg 3 */

/* Number of machine registers.  */

#undef  NUM_REGS
#define NUM_REGS 125

/* Total amount of space needed to store our copies of the machine's
   register state, the array `registers'.
   Some of the registers aren't 64 bits, but it's a lot simpler just to assume
   they all are (since most of them are).  */
#undef  DEPRECATED_REGISTER_BYTES
#define DEPRECATED_REGISTER_BYTES (32*8+32*8+45*8)

/* Index within `registers' of the first byte of the space for
   register N.  */
#undef  REGISTER_BYTE
#define REGISTER_BYTE(N) \
  ((N) < 32 ? (N)*8				\
   : (N) < 64 ? 32*8 + ((N)-32)*4		\
   : (N) < C0_REGNUM ? 32*8 + 32*4 + ((N)-64)*8	\
   : 64*8 + ((N)-C0_REGNUM)*8)

/* Say how long (ordinary) registers are.  This is a piece of bogosity
   used in push_word and a few other places; REGISTER_RAW_SIZE is the
   real way to know how big a register is.  */

#undef  DEPRECATED_REGISTER_SIZE
#define DEPRECATED_REGISTER_SIZE 8

/* Number of bytes of storage in the actual machine representation
   for register N.  */

#undef  REGISTER_RAW_SIZE
#define REGISTER_RAW_SIZE(N) \
  ((N) < 32 ? 8 : (N) < 64 ? 4 : 8)

/* Number of bytes of storage in the program's representation
   for register N.  */

#undef  REGISTER_VIRTUAL_SIZE
#define REGISTER_VIRTUAL_SIZE(N) \
  ((N) < 32 ? 8 : (N) < 64 ? 4 : 8)

/* Largest value REGISTER_RAW_SIZE can have.  */
/* tm-sparc.h defines this as 8, but play it safe.  */

#undef  DEPRECATED_MAX_REGISTER_RAW_SIZE
#define DEPRECATED_MAX_REGISTER_RAW_SIZE 8

/* Largest value REGISTER_VIRTUAL_SIZE can have.  */
/* tm-sparc.h defines this as 8, but play it safe.  */

#undef  DEPRECATED_MAX_REGISTER_VIRTUAL_SIZE
#define DEPRECATED_MAX_REGISTER_VIRTUAL_SIZE 8

/* Return the GDB type object for the "standard" data type
   of data in register N.  */

#undef  REGISTER_VIRTUAL_TYPE
#define REGISTER_VIRTUAL_TYPE(N) \
 ((N) < 32 ? builtin_type_long_long \
  : (N) < 64 ? builtin_type_float \
  : (N) < 80 ? builtin_type_double \
  : builtin_type_long_long)

/* We use to support both 32 bit and 64 bit pointers.
   We can't anymore because TARGET_PTR_BIT must now be a constant.  */
#undef  TARGET_PTR_BIT
#define TARGET_PTR_BIT 64

/* Longs are 64 bits. */
#undef TARGET_LONG_BIT
#define TARGET_LONG_BIT 64

#undef TARGET_LONG_LONG_BIT
#define TARGET_LONG_LONG_BIT 64

/* Return number of bytes at start of arglist that are not really args.  */

#undef  FRAME_ARGS_SKIP
#define FRAME_ARGS_SKIP 136

#endif /* GDB_MULTI_ARCH */

/* Offsets into jmp_buf.
   FIXME: This was borrowed from the v8 stuff and will probably have to change
   for v9.  */

#define JB_ELEMENT_SIZE 8	/* Size of each element in jmp_buf */

#define JB_ONSSTACK 0
#define JB_SIGMASK 1
#define JB_SP 2
#define JB_PC 3
#define JB_NPC 4
#define JB_PSR 5
#define JB_G1 6
#define JB_O0 7
#define JB_WBCNT 8

/* Figure out where the longjmp will land.  We expect that we have
   just entered longjmp and haven't yet setup the stack frame, so the
   args are still in the output regs.  %o0 (O0_REGNUM) points at the
   jmp_buf structure from which we extract the pc (JB_PC) that we will
   land at.  The pc is copied into ADDR.  This routine returns true on
   success */

extern int get_longjmp_target (CORE_ADDR *);

#define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR)

#undef TM_PRINT_INSN_MACH
#define TM_PRINT_INSN_MACH bfd_mach_sparc_v9a